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41 lines
1.3 KiB
Bash
Executable File
41 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that cut uses bounded memory when possible.
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# Copyright (C) 2025-2026 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ cut
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vm=$(get_min_ulimit_v_ cut -b1 /dev/null) ||
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skip_ 'failed to determine memory limit'
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# There is no way to implement '-s -f1' without allocating unbounded memory.
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# Check the rest.
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for opts in '-c1' '-b1' '-s -f2' '-f1'; do
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timeout 0.5 $SHELL -c \
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"(ulimit -v $(($vm+6000)) \
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&& cut $opts </dev/zero >/dev/null 2>err)"
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ret=$?
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test -f err || skip_ 'shell ulimit failure'
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test $ret = 124 || {
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fail=1
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cat err
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echo "cut $opts used too much memory" >&2
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}
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done
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Exit $fail
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